Cheap flights from London Heathrow Airport to Cairns from £398

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CNS
27 Dec — 3 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from London Heathrow to Cairns are usually found in May or February, booked 28 days in advance, depart on a Wednesday or Tuesday and return on a Monday

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Cheapest flights from Heathrow to Cairns
Explore the most affordable flight options available from Heathrow to Cairns. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 November 2025.

Sun 7/1206:00LHR - CNS
2 stops36h 35mMultiple Airlines
Wed 14/111:55CNS - LHR
2 stops43h 45mMultiple Airlines
Deal found 25/11£933
Wed 31/1221:00LHR - CNS
2 stops50h 20mMultiple Airlines
Tue 20/106:40CNS - LHR
2 stops44h 50mMultiple Airlines
Deal found 24/11£1,014
Wed 31/1220:15LHR - CNS
2 stops34h 35mCathay Pacific
Tue 20/111:25CNS - LHR
1 stop28h 00mCathay Pacific
Deal found 25/11£1,132
Wed 31/1220:15LHR - CNS
2 stops34h 35mCathay Pacific
Wed 14/114:50CNS - LHR
2 stops34h 10mCathay Pacific
Deal found 24/11£1,173
Sun 7/1222:05LHR - CNS
1 stop25h 50mCathay Pacific
Thu 8/111:25CNS - LHR
1 stop28h 00mCathay Pacific
Deal found 25/11£1,308

Cheap flight deals from Heathrow to Cairns

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Cairns (CNS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 27 November 2025.

Round-trip from

£933

One-way from

£398

Popular in

December

Cheapest in

May

Average price

£1,346
7/12-14/1
  • 7/12-14/1
  • 4 total stops
  • 80h 20m total
  • London to Cairns
19/2
  • 19/2
  • 3 total stops
  • 48h 45m total
  • London to Cairns
Highest demand for flights based on searches. 9% potential increase in price (£106 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£23 potential savings vs. average return price).
Average for round-trip flights in November 2025

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Cairns that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 27 November 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Cairns that are best for you.

Fly from

Heathrow

Fly to

Cairns

Route

Depart

Return

Price

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Thu 15/1

21:00-15:10

2 stops32h 10m

Cairns

Thu 29/1

12:05-17:30

2 stops39h 25m

£905

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Sun 7/12

06:00-04:35

2 stops36h 35m

Cairns

Wed 14/1

11:55-21:40

2 stops43h 45m

£933

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Fri 1/5

21:20-09:15

2 stops50h 55m

Cairns

Fri 15/5

21:35-18:40

2 stops54h 05m

£984

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Thu 15/1

17:50-09:55

1 stop30h 05m

Cairns

Thu 29/1

14:50-15:00

2 stops34h 10m

£1,031

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Fri 1/5

09:25-17:00

1 stop46h 35m

Cairns

Fri 29/5

18:15-19:30

1 stop34h 15m

£1,050

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Thu 5/2

14:25-09:55

3 stops33h 30m

Cairns

Wed 4/3

18:35-13:40

3 stops29h 05m

£1,054

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Sat 4/4

20:35-17:00

1 stop35h 25m

Cairns

Mon 20/4

18:15-15:45

1 stop54h 30m

£1,057

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Sun 15/3

10:40-17:20

1 stop20h 40m

Cairns

Sun 19/4

18:15-15:45

1 stop54h 30m

£1,082

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Thu 19/2

19:00-05:45

3 stops48h 45m

£398

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Wed 4/2

21:10-05:45

3 stops46h 35m

£435

Flights are sorted by cheapest return flights first.

Deals found on 25/11

Showing 1-10 of 17 results
1
2

Best time to book a flight from Heathrow to Cairns

Have a flexible travel schedule? Discover the best time to fly to Cairns from Heathrow with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Cairns

How far ahead should I book a flight from London Heathrow Airport to Cairns?

Use this chart to determine the optimal time to book a return flight from Heathrow to Cairns. Price data was last updated on 21 November 2025.

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Cairns, you should look to book at least 28 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from London Heathrow Airport to Cairns?

Currently, June is the cheapest month in which you can book a flight from London Heathrow Airport to Cairns (average of £770). Flying from London Heathrow Airport to Cairns in December is currently the most expensive (average of £1,111). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LHR to CNS?

Find hourly flight availability from Heathrow to Cairns. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 27 November 2025.

A simple way to save on the total cost of your ticket is to fly from London Heathrow Airport to Cairns in the evening. If you’re flexible enough to do this you can expect to save up to 68% on your trip compared to booking a flight at midday.

How much does it cost for a return flight from London Heathrow Airport to Cairns?

Reviews of airlines servicing Cairns

Get insights into the airlines that provide service to Cairns. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Cairns. Reviews last updated 27 November 2025.
Get a feel of what it's like to fly with Singapore Airlines, Cathay Pacific, andQantas Airways from London Heathrow Airport to Cairns by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.8

Boarding

8.3

Comfort

8.0

Crew

8.6

Entertainment

8.0

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.

Food

7.8

Boarding

8.3

Comfort

8.0

Crew

8.6

Entertainment

8.0

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.

Food

7.8

Boarding

8.3

Comfort

8.0

Crew

8.6

Entertainment

8.0

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.

Food

7.8

Boarding

8.3

Comfort

8.0

Crew

8.6

Entertainment

8.0

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.

Food

7.8

Boarding

8.3

Comfort

8.0

Crew

8.6

Entertainment

8.0

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Cairns. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Cairns from London Heathrow?

    Most people fly into Cairns (CNS) if they book a flight to Cairns from London Heathrow. On average, Cairns has 0 inbound flights from London Heathrow per day from 4 airlines. Cairns is conveniently located just 2.8 mi from Cairns’s city center.

  • How long is the flight from London Heathrow Airport to Cairns?

    A quick flight from London Heathrow Airport to Cairns can take about 30h 05m. Cathay Pacific provides one of the quickest options available for as low as £1,031. The distance from London Heathrow Airport to Cairns is about 9409 mi.

  • What are the cheapest airlines flying from London Heathrow Airport to Cairns round-trip?

    Our cheapest airline available from London Heathrow Airport to Cairns is SWISS. Our recent data shows that you can find tickets from as low as £798 on this airline. Additional options worth looking into are Cathay Pacific and Singapore Airlines, starting at £810 and £899 round-trip. SWISS is 37% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Heathrow to Cairns that include hotel bookings?

    Yes. In addition to deals on Heathrow to Cairns flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Cairns?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Cairns.

  • Can I find deals for business class flights from Heathrow to Cairns?

    Yes. Cheapflights offers flight deals from Heathrow to Cairns by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London Heathrow Airport to Cairns?

    Currently, June is the cheapest month in which you can book a flight from London Heathrow Airport to Cairns (average of £770). Flying from London Heathrow Airport to Cairns in December is currently the most expensive (average of £1,111). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Heathrow to Cairns

Discover the top 4 airlines that operate flights from Heathrow to Cairns. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 27 November 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest£798Average£1,191FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Cathay PacificCheapest£810Average£1,123FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Singapore AirlinesCheapest£899Average£1,258FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Qantas AirwaysCheapest£1,154Average£1,397FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Heathrow to Cairns?

Deals for Heathrow to Cairns flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Cairns?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Heathrow to Cairns for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Heathrow to Cairns with no change fees?

Need flexible booking options for your flight to Cairns from Heathrow? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Heathrow to Cairns become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Cairns from Heathrow today and book when prices fit your budget.

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